| St Patrick Elem School | 0.0 |
Regular elementary or secondary | Pre-KG-8 | 83 | 8.1 | Roman Catholic |
| St Mary Elementary School | 0.6 |
Regular elementary or secondary | Pre-KG-8 | 132 | 10.7 | Roman Catholic |
| St John Vianney School | 0.9 |
Regular elementary or secondary | Pre-KG-8 | 239 | 18.4 | Roman Catholic |
| St William Catholic School | 1.0 |
Regular elementary or secondary | Pre-KG-8 | 180 | 14.5 | Roman Catholic |
| St Pauls Lutheran School | 1.1 |
Regular elementary or secondary | Pre-KG-8 | 269 | 12.5 | Lutheran Church - Missouri Synod |
| St Matthews Lutheran School | 1.2 |
Regular elementary or secondary | Pre-KG-8 | 116 | 18.1 | Wisconsin Evangelical Lutheran Synod |
| Rock County Christian School-janesville | 4.9 |
Regular elementary or secondary | Pre-KG-5 | 78 | 11.3 | Christian (no specific denomination) |
| Rock Prairie Montessori | 5.5 |
Montessori | Pre-KG-3 | 34 | 10.3 | Nonsectarian |
| Woodland Christian School | 5.7 |
Regular elementary or secondary | KG-8 | 27 | 13.5 | Seventh-Day Adventist |
| St Johns Lutheran School | 11.6 |
Regular elementary or secondary | Pre-KG-8 | 30 | 4.6 | Lutheran Church - Missouri Synod |
| Brother Dutton Catholic School | 12.0 |
Regular elementary or secondary | Pre-KG-8 | 70 | 8.6 | Roman Catholic |
| Oaklawn Academy | 13.4 |
Special program emphasis | 6-8 | 171 | 14.2 | Roman Catholic |
| St Joseph Elem School | 18.2 |
Regular elementary or secondary | Pre-KG-8 | 117 | 10.6 | Roman Catholic |
| St Paul Evang Lutheran School | 18.5 |
Regular elementary or secondary | Pre-KG-8 | 222 | 17.9 | Wisconsin Evangelical Lutheran Synod |
| Our Redeemer Lutheran School | 19.0 |
Regular elementary or secondary | Pre-KG-8 | 128 | 15.8 | Lutheran Church - Missouri Synod |
| Martin Luther Christian School | 19.6 |
Regular elementary or secondary | Pre-KG-5 | 49 | 6.6 | Evangelical Lutheran Church in America |
| St Ann School | 19.8 |
Regular elementary or secondary | KG-6 | 167 | 17.4 | Roman Catholic |
| St Paul's Lutheran School | 19.8 |
Regular elementary or secondary | Pre-KG-8 | 175 | 15.9 | Wisconsin Evangelical Lutheran Synod |
| St Andrew Parish School | 19.9 |
Regular elementary or secondary | KG-8 | 140 | 11.4 | Roman Catholic |
| Delavan Christian School | 20.0 |
Regular elementary or secondary | Pre-KG-8 | 86 | 11.5 | Calvinist |
| First Lutheran School | 24.0 |
Regular elementary or secondary | Pre-KG-8 | 57 | 11.6 | Wisconsin Evangelical Lutheran Synod |
| St Patrick Parish School | 24.1 |
Regular elementary or secondary | KG-7 | 98 | 9.7 | Roman Catholic |
